Finding the Fourth Proportional to 75,079.17, 113,063.04 and 65,336.09
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Solution
The fourth proportional to 75,079.17, 113,063.04 and 65,336.09 is: 98,390.76
Step by Step Solution
- Step 1: Write the proportion equation
75,079.17 : 113,063.04 = 65,336.09 : x - Step 2: Convert to fraction form
75,079.17/113,063.04 = 65,336.09/x - Step 3: Cross multiply
75,079.17x = 113,063.04 × 65,336.09 - Step 4: Simplify right side
75,079.17x = 7,387,096,391.80 - Step 5: Solve for x
x = 7,387,096,391.80/75,079.17 - Step 6: Final answer
x = 98,390.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.